Headphone headband



FIG. 1 is an isometric view showing a first embodiment of my design for a headphone headband.

FIG. 2 is a top plan view of the embodiment of FIG. 1.

FIG. 3 is a bottom plan view of the embodiment of FIG. 1.

FIG. 4 is a front elevational view of the embodiment of FIG. 1.

FIG. 5 is a rear elevational view of the embodiment of FIG. 1.

FIG. 6 is a right side elevational view of the embodiment of FIG. 1.

FIG. 7 is a left side elevational view of the embodiment of FIG. 1.

FIG. 8 is an isometric view of the embodiment of FIG. 1; and,

FIG. 9 is an isometric view of the embodiment of FIG. 1.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a headphone headband, as shown and described. 